PLC的诞生,跟汽车生产有着莫大的“渊源”。
1969年,美国数字设备公司研制出了第一台可编程逻辑控制器--PDP14。并在美国通用汽车公司的生产线上试用成功,取代生产线上的继电器控制系统,开创了工业控制的新纪元。
早期的可编程控制器是为取代继电器-接触器控制系统而设计的,用于开关量控制,具有逻辑运算、计时、计数等顺序控制功能,故称之为可编程逻辑控制器PLC。
1971年,日本开始生产可编程控制器,德、英、法等各国相继开发了适于本国的可编程控制器,并推广使用。
1973年,德国西门子研制出欧洲第一台可编程逻辑控制器,型号为SIMATICS4。
1974年,中国也开始研制生产可编程控制器。
在20世纪70年代初,出现了微处理器。人们很快将其引入可编程逻辑控制器中,使可编程逻辑控制器增加了运算、数据传送及处置等功能,完成了真正具有计算机特征的工业控制装置。此时的可编程逻辑控制器是微机技术和继电器惯例控制Mercedes Benz SL320 SL500 SL600 Left Headlight Assembly Bosch 0302463273
Mercedes Benz SL320 SL500 SL600 Right Headlight Assembly Bosch 0302463274
BOSCH 1-827-030-116 PROFIBUS MODULE 1827030116
Porsche 986 Boxster 1997 Central Locking Control Units DME
Porsche 911 993 ABS Hydraulic Unit Bosch Part Control
Porsche 996 99-00/ 986 Boxster 00/ GT3 99-00 Central Locking Control Units DME
3 TON AIR-HANDLER "BOSCH" NEW MODEL--DX03510-1 "UNITARY" (ELE. HEAT) WILL SHIP
Rroth Bosch 1PF2GN2-21/025RE07MU2 B85686 K48 596377/2 Hydraulic Pump REM
Porsche 911 993 ABS Hydraulic Unit Bosch Part Control
Bosch Rroth LT304 Servo Amp
Ferrari 355, ABS Unit, Bosch System, #170638
MERCEDES M 189 300SE 300SL 300 BOSCH GENERATOR M189
BOSCH NT200 PLC SYSTEM,
Bosch Motorsport C5 CardMemory V2
RACINE / BOSCH Vane Pump Multi Vane Code C11 F2
Bosch Proportional Valve 4WRE10E32-14/24K4/V
MERCEDES 230 SL 113 MECHANICAL FUEL INJECTION PUMP R11
Salesmans Sample American Bosch Diesel Fuel Injector
Fully Working Cut Away Model w/ Original Carrying Case
Porsche 996 Carrera 02-/ 986 Boxster 03-/ GT3 Central Locking Control Units DME
BOSCH RROTH VARIABLE PUMP PSV PNSF 15ERM 56
Bosch 10 HP Hydraulic Power Pak & Accumulator #6334
LEFT XENON Headlight Assembly MERCEDES S430 S500 S55 AMG S600
LEFT XENON Headlight Assembly MERCEDES S430 S500 S55 AMG S600
GENUINE OEM DODGE RAM CUMMINS 5.9 DIESEL FUEL INJECTORS
BUILT BY BOSCH * GUARANTEED HIGHEST QUALITY AILABLE!
BOSCH RROTH HYDRAULIC AXIS PISTON MOTOR AAFM32/61W-VSD540 COMMERCIAL PUMP NEW
BOSCH SE301 TIGHTENING ConTROLLER 0608830160
BOSCH 30" EUROPEAN DOUBLE ConVECTION OVEN HBL5660US BLACK @ 52% OFF $2,899 MSRP
VERY NICE BOSCH 2000 RPM SERVO MOTOR 104-913 777 TYPE SD.B5.250.020.15.000
DURAMAX INJECTORS CHEVROLET GMC 2500 04-05 LLY 6.6 FULL SET
INCLUDES INSTALLATION HARDWARE SE $900 FREE SHIPPING
Bosch Rroth ECH26-MG 0 608 841 017 Electronic Torque Nutrunner w/ control cord
BOSCH PHG GG1 TEACH PENDANT PHGGG1 056693-107 24V 25' CORD
Bosch DVR6E2162 Divar 6-Channel 320GB Digital Video Rec
Bosch Rroth HNC100 SYHNC100-NC1-23/W-08-C-0-E21-A012 Digital Axis controller
Nissan Versa Sentra 2010 2011 2012 Bosch OEM Radio 25915ZT61BRX Nigation RVC
Bosch Brute 11304 Electric Jackhammer Breaker Demolition Hammer
Bosch Hydraulic Proportional Valve DO5 Size 0811404773
PORSCHE 911 T MFI BOSCH MECHANICAL FUEL INJECTION PUMP
Bosch 0811-404-140 Servo Solenoid Valve RB 0811404140
BOSCH SERVO W/7 NEWTON METER INTERNAL BRAKEPART # SD-B4.070.030-10, 3000 RPM
6x Industrial Injection trude Hone Nozzle R7 80LPM 450HP Dodge Cummins 2007-12
6x Industrial Injection Dodge Cummins Diesel 03-04 R7 Honed Nozzle 80LPM 450HP
6x Industrial Injection Dodge Cummins Diesel 04-07 R7 Hone Nozzle 80LPM 450HP
VP44 + AIRDOG 100/150 Fuel Injection Pump Dodge Diesel
(6) Fuel Injectors for 2004.5-07 Dodge Ram Diesel Bosch 1 year warranty Cummins
Bosch 0280800136 Engine Control Unit
Bosch HBL3450UC 30" Electric Wall Oven Stainless Steel
Bosch CNC CC100M Module E-A24/0.1- 048412-108401 with 048479-207401
BRL LINEAR MOTION ROLLER GUIDE RAIL 3/4 & ASSY 25mm Bosch Rroth R1818 200 87
BOSCH 0811402080 PROPORTIonAL HYDRAULIC VALVE
BOSCH CNC Part Number 1070079644 3 PHASE MODULE
BOSCH IGNITION SWITCH GMÜND SPLIT WINDOW PORSCHE 356 PRE A
Bosch Rroth 0 608 830 160 Tightening Controller, 5V-1.7A, 24V-2.0A
PAIR LEFT & RIGHT GENUINE OEM NEW HEADLIGHTS HID AUDI TT QUATTRO
BOSCH FOGLIGHTS FOG LAMPS KDF VW SPLIT OVAL HEB MB 180 190 200 300 600 SL NOS
NEW BOSCH AutoDome VG4-322-ECS0CF 18x DAY/NIGHT OUTDOOR PTZ SYSTEM ANALOG/FIBER
BOSCH HALOGEN LAMPS MB 180 190 200 220 300 600 FOG LAMPS LIGHTS VW SPLIT OVAL T1
MERCEDES BOSCH FUEL INJECTION PUMP 250 280 SE 111 280SE
PRE A HEAD LIGHT LENSE PORSCHE 356 HEADLIGHT ASSEMBLY KDF VW LENSES HELLA BOSCH
BOSCH 0-811-404-061 USPP 0811404061
BOSCH B830-303074 NSPP B830303074
FERRARI 360 ENZO Fuel Injector Set New BOSCH OE 197808
Bosch HBN3450UC 27" Electric Wall Oven Stainless Steel
Bosch Rroth 0 608 830 160 Tightening Controller, 5V-1.7A, 24V-2.0A
PAIR LEFT & RIGHT GENUINE OEM NEW HEADLIGHTS HID AUDI TT QUATTRO
概念相结合的产物